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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "bb_optimizations.h"
#include "dataflow_iterator.h"
#include "dataflow_iterator-inl.h"
namespace art {
/*
* Code Layout pass implementation start.
*/
bool CodeLayout::Worker(const PassDataHolder* data) const {
DCHECK(data != nullptr);
const PassMEDataHolder* pass_me_data_holder = down_cast<const PassMEDataHolder*>(data);
CompilationUnit* c_unit = pass_me_data_holder->c_unit;
DCHECK(c_unit != nullptr);
BasicBlock* bb = pass_me_data_holder->bb;
DCHECK(bb != nullptr);
c_unit->mir_graph->LayoutBlocks(bb);
// No need of repeating, so just return false.
return false;
}
/*
* BasicBlock Combine pass implementation start.
*/
bool BBCombine::Worker(const PassDataHolder* data) const {
DCHECK(data != nullptr);
const PassMEDataHolder* pass_me_data_holder = down_cast<const PassMEDataHolder*>(data);
CompilationUnit* c_unit = pass_me_data_holder->c_unit;
DCHECK(c_unit != nullptr);
BasicBlock* bb = pass_me_data_holder->bb;
DCHECK(bb != nullptr);
c_unit->mir_graph->CombineBlocks(bb);
// No need of repeating, so just return false.
return false;
}
/*
* BasicBlock Optimization pass implementation start.
*/
void BBOptimizations::Start(const PassDataHolder* data) const {
DCHECK(data != nullptr);
CompilationUnit* c_unit = down_cast<const PassMEDataHolder*>(data)->c_unit;
DCHECK(c_unit != nullptr);
/*
* This pass has a different ordering depEnding on the suppress exception,
* so do the pass here for now:
* - Later, the Start should just change the ordering and we can move the extended
* creation into the pass driver's main job with a new iterator
*/
c_unit->mir_graph->BasicBlockOptimization();
}
} // namespace art
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